Ichika

After three years of marriage, a magazine editor asks his wife Ichika to work as a nude model for a photoshoot with a famous photographer. Though hesitant at first, she eventually agrees. What begins as a simple artistic session gradually spirals into a forbidden relationship with her husband's boss, leading to overwhelming shame and uncontrollable pleasure that is secretly captured on video.

It's been almost a year since I started living with my husband's family. My father-in-law, who lives with us, took early retirement and is engrossed in his hobbies, but my serious husband doesn't seem to like it. My steady husband and my playful father-in-law are nothing alike. This is also reflected in our sex life, and after sex with my husband, I would secretly try to satisfy my unfulfilled body. That night, as I was silently masturbating in the bathroom, the door suddenly opened, and to my surprise, my father-in-law came in.

"Will President Ozawa make me his mistress, just like that man?" Ozawa, who inherited Takano Auto after the collapse of his business partner, the Takano Group, hears that Takano's secretary, Ichika, is also quitting her job and immediately proposes a contract to become his "mistress secretary." Ichika refuses to listen to his proposal... Ozawa thoroughly investigates her background and succeeds in gaining her trust. The two exchange a kiss, calling it a mistress contract, as if to sever her lingering attachments to the past and her feelings for her husband. Licking her lips and tongue, Ichika becomes submissive as if she has finally let go. Or so it seemed...